<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>video</title>
    <style>
        * {margin: 0;padding: 0}
    </style>
</head>
<body style="overflow: hidden">
<video style="width: 100vw;height: 100vh;background: black" controls autoplay>
    <source id="source" type="video/mp4" src="">
</video>
<script>
    let link = location.href;
    let videoSrc = /videoSrc=(.*?)($|&)/.exec(link);
    if (videoSrc) {
      videoSrc = videoSrc[1];
      document.getElementById('source').src = videoSrc;
    }
</script>
</body>
</html>